Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0406403635978f6bdd66002d99ffdf90713251f413210b3245dd1bba9584f50b22328ab86e8df188d0f73b9312e1efc24eac963a152626c2b0975066e4c6bb5cf7